Severity: Notice
Message: Undefined index: vid
Filename: controllers/book.php
Line Number: 51
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/book.php
Line Number: 65
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/book.php
Line Number: 66
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/book.php
Line Number: 67
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/book.php
Line Number: 68
